Software Engineering Trainee at Vaisala working on AI - assisted software development. Engaging in practical tasks for software porting and learning about Real Time Operating Systems.
About the role
- Senior Full Stack Developer for BioCatch's Applications Group, designing scalable applications and web services using NodeJS and Python.
Responsibilities
- Design, implement and maintain scalable applications and web services within the Applications Group’s ecosystem, providing technical leadership and long-term ownership.
- Design and implement testable and maintainable software solutions using both front-end and back-end technologies, setting patterns and standards across the team.
- Come up with innovative ideas and recommend high-impact software improvements to existing applications, with a focus on scale, reliability, and performance.
- Build the team's domain expertise and assume product ownership, while strengthening the shared applications infrastructure as a core team contributor.
Requirements
- B.Sc in Computer Science or equivalent practical experience
- 7+ years of experience designing and developing production-grade applications using **NodeJS / Python** (strong expertise in at least one)
- Excellent software engineering skills, with proven ability to build scalable, maintainable systems and apply strong design patterns
- Strong front-end experience with **React / Angular / Vue**, including modern **JavaScript (ES2015+) / TypeScript**, HTML and CSS
- Hands-on experience with at least one **RDBMS** (e.g., Postgres / MySQL / Oracle), including schema design and performance tuning
- Proven experience owning **CI/CD pipelines** and release processes, with a focus on reliability and automation
- Production experience with **Linux** and modern deployment platforms (**Docker / Kubernetes or equivalents**) and delivery tooling (**ArgoCD / Helm or equivalents**)
- Familiarity with AI concepts: RAG, MCP, Context and system prompts
- Strong testing mindset and hands-on experience with frameworks such as **Cypress / Playwright / React Testing Library**
- Ability to lead cross-team execution, influence technical direction, and drive complex initiatives end-to-end
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- **Advantage:**
- **Advanced, deep expertise in NestJS**, including building scalable backend architectures and reusable modules
- Experience with big data / analytics platforms such as **Snowflake / ClickHouse / BigQuery**
- Experience with **Microfrontend architecture** and shared frontend platform ownership
Job title
Job type
Experience level
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Not specified
Degree requirement
Tech skills
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